It was like a giant light bar,” reports a witness who recorded a video of a large luminous object floating across the night ...

A US Navy radar expert has revealed a 2023 encounter with four unidentified aerial phenomena that rose from the ocean near ...

Gamma-ray bursts (GRBs) are the most energetic events ever observed in the universe. These powerful outbursts can shine a ...

A luminous object stunned observers in Mexico City, originally mistaken for a meteorite. Scientists clarified it was a bolide ...

Opaque close opaqueA material, object or substance which does not allow light to pass through it. materials are substances which light cannot pass through, like stone, metal or wood. Luminous ...

The glowing object was a bolide, fireballs that explode in a bright flash, according to experts. It streaked across Mexico’s predawn skies on Wednesday.

That process makes quasars some of the most luminous objects in space. Yet, for all their brightness, most quasars still look like small dots from Earth. Their structure and the galaxies that host ...

Fifty million years or so later, gravity drove the formation of the first luminous objects – stars and black holes – which ended the dark ages and initiated the cosmic dawn. These first stars likely ...